function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}
function SetMenu(head)
{
try {
x=MM_findObj(head)
x.style.color='#003399';
}
catch(e)
{
}
}
function ClearMenu(head)
{
try
{
x=MM_findObj(head)
x.style.color='#ffffff';
}
catch(e)
{
}
}
function ClickMenu(head)
{
try
{
x=MM_findObj(head)
document.location=x.href;
}
catch(e)
{
}
}